[USRP-users] cpu frequency and harmonic suppression

Ekko chai18740449846 at gmail.com
Fri Mar 4 05:17:42 EST 2016


hello Sylvain
this is the baseband not the RF.
as you see
the mark1 and mark2 , mark1 is the Peak of 3.7G mark2 is the sideband,
the sideband suppression is only 33.45db i want to know how to improve this
value.
this is the baseband not the RF


2--->>>>>>>>>>>what is the cpu frequency of E310?


thank you
--Ekko

2016-03-03 20:26 GMT+08:00 Sylvain Munaut <246tnt at gmail.com>:

> Hi,
>
> > The second ------>>>this is about the  harmonic suppression.
> > i mesured the  harmonic suppression when the center frequency is 3.7GHZ
>
>
> You might want to explain you setup a little better ...
>
> Harmonic of a 3.7G TX would be at 7.4G which your E4406 can't show.
> AFAICT, assuming you're TXing a 20kHz tone, your picture is just
> showing a DC offset and an IQ image.
>
>
>
> Cheers,
>
>    Sylvain
>
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